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My vehicle starts idling down after about 10 seconds?

Tiny
ROBBIEJAY
  • MEMBER
  • 1997 BMW 328
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 17,400 MILES
When I come to a stop sign or stoplight, my vehicle starts idling down after about 10 seconds and seems as if it would cut off if I don't give it a little gas. It does the same thing in the morning when I start it up. When I unplug the mass air sensor, it idles fine. When I plug it back in it starts to Idle down. Please help
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Thursday, December 13th, 2007 AT 5:36 PM

2 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Read out the faults and repost please
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Saturday, December 15th, 2007 AT 12:39 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,574 POSTS
The MAF sensor can cause this problem. I would replace the IAC and the throttle body and I would check for vacuum leaks, please go over this guide which can help you

https://www.2carpros.com/articles/engine-idles-too-high

Here is how to change out the MAF sensor and service the throttle body

https://www.2carpros.com/articles/throttle-actuator-service

Check out the images (below). Please let us know what happens.
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Saturday, September 28th, 2024 AT 6:29 PM

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